[PATCH v5 1/3] dma: improve DMA zone selection

[kernel test robot]

Hi Baruch,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 8400291e289ee6b2bf9779ff1c83a291501f017b]

url:    https://github.com/intel-lab-lkp/linux/commits/Baruch-Siach/dma-improve-DMA-zone-selection/20240803-074651
base:   8400291e289ee6b2bf9779ff1c83a291501f017b
patch link:    https://lore.kernel.org/r/5200f289af1a9b80dfd329b6ed3d54e1d4a02876.1722578375.git.baruch%40tkos.co.il
patch subject: [PATCH v5 1/3] dma: improve DMA zone selection
config: csky-randconfig-001-20240807 (https://download.01.org/0day-ci/archive/20240808/202408080035.rXXbb5Yc-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240808/202408080035.rXXbb5Yc-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408080035.rXXbb5Yc-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: vmlinux: section mismatch in reference: dma_direct_optimal_gfp_mask+0x46 (section: .text) -> memblock_end_of_DRAM (section: .init.text)
>> WARNING: modpost: vmlinux: section mismatch in reference: sg_page.isra.0+0x1c (section: .text) -> memblock_end_of_DRAM (section: .init.text)
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/test-ww_mutex.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/imx/clk-imxrt1050.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/devfreq/governor_performance.o

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki